CVE-2020-10086 Explained : Impact and Mitigation

GitLab 10.4 through 12.8.1 is susceptible to a Directory Traversal vulnerability that allows arbitrary file read.

Understanding CVE-2020-10086

GitLab versions 10.4 through 12.8.1 are affected by a Directory Traversal vulnerability that could be exploited to read arbitrary files.

What is CVE-2020-10086?

This CVE describes a security issue in GitLab versions 10.4 through 12.8.1 that enables Directory Traversal, allowing an attacker to read files outside the intended directory.

The Impact of CVE-2020-10086

The vulnerability poses a risk of unauthorized access to sensitive files and data stored on the affected GitLab instances.

Technical Details of CVE-2020-10086

GitLab 10.4 through 12.8.1 is affected by a Directory Traversal vulnerability that could lead to arbitrary file read.

Vulnerability Description

A specific endpoint in GitLab was found to be vulnerable to Directory Traversal, enabling attackers to read arbitrary files.

Affected Systems and Versions

Product: GitLab
Versions: 10.4 through 12.8.1

Exploitation Mechanism

The vulnerability allows malicious actors to manipulate file paths and access files outside the intended directory structure.

Mitigation and Prevention

To address CVE-2020-10086, follow these steps:

Immediate Steps to Take

Update GitLab to a patched version that addresses the Directory Traversal vulnerability.
Monitor for any unauthorized access or file read activities.

Long-Term Security Practices

Regularly update GitLab and other software to mitigate potential security risks.
Implement access controls and restrictions to limit file access.

Patching and Updates

Apply security patches provided by GitLab promptly to fix the Directory Traversal vulnerability.